Multi-Element Internal Std., 10ug/ml, 4x25ml Back Catalog number: 52319 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 673280 Fenamiphos, 10.0 µg/ml, Acetonitrile, 10ml Price on request 2663.10-100-CY Toxaphene Price on request BDE-155 2,2',4,4',6,6'-Hexabromodiphenyl ether, 1.2ml x 50ug/ml, nonane Price on request